ROSACEA. 231 



dular, much exceeded by the ovate-lanceolate stipules ; cymes corymbiform ; " fertile stamens 

 7-8, unilateral, and as many sterile ones on the opposite side;" drupe ovoid, contracted at 

 the base, glabrous (15'" long).— Aubl. t. 206.— Leaves 2"-H" long, 15"'-8"' broad; sti- 

 pules foliaceous, 6'" long, or louger, deciduous; drupe-cells filled with wool. — Hab. Trini- 

 dad!, Pd., Cr., at Arima; [Guiana]. 



LXVI. ROSACEA. 



Stamens perigynous. Carpels distinct : ovules sutural, auatropous. Seeds exalbuminous. 

 — Leaves stipulate. 



The amygdalin of the kernels and the bark in the West Indian Pruni is employed to im- 

 pregnate liquors with a flavour of hydrocyanic acid. The fruits of the Jamaica Rubi are 

 eaten. Prunus occidentalis is an excellent timber-tree. 



1. PRUNUS, L. 



Calyx 5(-4)-fid. Petals 5 (-4). Stamens co -10. Carpid 1: ovules 2, collateral. 

 Drupe 1-seeded : putamen smooth.— Trees or shrubs ; leaves in the West Indian species 

 evergreen, glabrous, quite entire, conduplicate in bud, and flowers racemose. 



1. P. occidentalis, Sw. Leaves oblong or ovate-oblong, rounded at the base, blunt- 

 ish : two glandular spots at the base itself beneath ; racemes lateral ; stamens oo -20 ; 

 drupe ovoid, slightly apiculate, purple. — Cerasus, Lois. — A. high tree ; leaves 6"-4" long, 

 2V-2" broad; racemes puberulous or glabrous; drupe 10'" long, 6'" broad. — Hab. Jamai- 

 ca !, Mac/., Pd., Marsh, common in woods ; S. Vincent !, Guild. ,• Trinidad !, Pd.'; [Cuba !, 

 Panama !]. 



2. P. pleuradenia, Gr. Leaves elliptical or elliptical-oblong, apiculate, acute at the 

 base, shining above : two glandular spots juxtamarginal beneath, a little distant from the 

 base ; racemes axillary ; stamens 20 ; " drupe globose, truncate at the top, nearly black." 

 — Bot. Mag. t. 3141. — Cerasus sphserocarpa, Hook, (non Lois.). Prunus, Schlecht. (non 

 Sw.). C. reflexa, Gardn.— Leaves 4"-3" long, 2"-H" broad: glands IV" distant from 

 their base ; " drupe 6"' diam." — Hab. Dominica !, Imr., S. Vincent !, Guild. ; Trinidad !, 

 Pd.; [Haiti; Brazil !J. 



3. P. sphserocarpa, Sw. Leaves elliptical or elliptical-oblong, with a bluntish point, 

 rounded at the base, shining above, eglandular ; racemes axillary ; stamens 10-20; drupe 

 globose, submucronate, purple. — Catesb. Carol. 2. t. 94. Si. t. 193. f. 1. — Cerasus, Lois.; 

 Celastrus myrtifolius jamaicensis, L. — A low tree; leaves 3%"-2%" long, 2"-l" broad; 

 drupes 4'" diam. —Hab. Bahamas {Catesb.) ; Jamaica !, Macf, Pd., Al., March, common 

 in the lower mountains ; [Haiti ; Brazil !]. 



2*. ROSA, L. 



Calyx-tube at length baccate, including numerous achenia. Petals 5. Stamens oo . 



4*. R. laevigata, Mich. Glabrous ; prickles falcate ; leaflets 3 (-5), coriaceous, shining 

 above, with simple serratures : stipules linear-setaceous, shortly adnate ; flowers solitary, 

 ebracteate; calyx-tube ovate, muricate, with long setaceous prickles: lobes entire; disc 

 thickish; carpids sessile : styles distinct. — Redout. Ros. 2. t. 39. Lindl. Ros. t. 16, 17. — 

 R. sinica, Ait. R. uivea, DC. R. hystrix, Lindl.— Rowers large, white.— Hab. Natu- 

 ralized in Jamaica !, AL, Wullschl.; [introduced from China and Japan]. 



8. RUBUS, L. 



Calyx 5-partite. Petals 5. Stamens oo . Carpids oo -several, drupaceous, separating from 

 the conical-cylindrical torus. — Leaves in the West Indian species palmate -. leaflets penni- 

 nerved. 



5. ft. jamaicensis, Sw. Shrubby, trailing ; prickles recurved ; leaflets 5-3, ellip- 

 tical-oblong, pointed, pubescent above", hoary-tomentose beneath, unequally serrate: pri- 



